Author Question: The reason that most extrasolar planets are found close to their parent stars is A) the planets ... (Read 70 times)

ghost! · **on:** Jul 27, 2018

The reason that most extrasolar planets are found close to their parent stars is

A) the planets reflect more light the closer they are to the star.
B) more of the starlight is blocked by the planet when it transits the star.
C) the amount and frequency of the star's motion are both higher.
D) the closer to a star, the hotter and therefore brighter the planet is.
E) planets that are close to a star are heated up and therefore larger.

Question 2

When looking for the radial velocity changes or wobbles detected due to Doppler shifts, which mass combination is most likely to be detected?

A) high mass star, high mass planet
B) high mass star, low mass planet
C) low mass star, high mass planet
D) low mass star, low mass planet
E) a high mass planet; the mass of the star is irrelevant